Key in combination with a timer and emitter
US5832761A · kind A · utility
38Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1997 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Dec 3, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7876
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A key, a timer and a signal emitter are integrally produced as one single item. The key with a timer and an emitter can facilitate a person to carry these items in one piece and make the use of the same with readiness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.